Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 5.66
Milk (kg) -110.00 -0.014 1.54
Fat (kg) -8.39 -0.375 3.14
Prot (kg) -2.21 -0.441 0.98
Fertility Sub Index 4.56
Calving Interval (days) -2.07 -1.459 3.02
Survival (%) 1.38 1.117 1.54
Calving Sub Index -1.63
Gestation Length (days) 1.77 -0.919 -1.63
Beef Sub Index -2.96
Carcass Weight (kg) 7.10 -0.528 -3.75
Age of Slaughter (days) -1.82 -0.432 0.79
Maintenance Sub Index Maint. Sub Index -3.19
Live WT (kg) 10.40 -0.307 -3.19
Total Carbon Sub Index 2.45

* Based on an €80/tonne carbon price